In 1967, the United States Navy and United States Air Force teamed up to invite engine proposals for F-14 Tomcat and F-15 Eagle fighters. The combined program was called Advanced Turbine Engine Gas Generator (ATEGG) with goals to improve thrust and reduce weight to achieve a thrust-to-weight ratio of 9. The program requested proposals and would award Pratt & Whitney a contract in 1970 to produce F100-PW-100 (USAF) and F401-PW-400 (USN) engines. The Navy would cut back and later cancel its order, choosing to continue to use the Pratt & Whitney TF30 engine from the F-111 in its F-14.Davies, Steve. Combat Legend, F-15 Eagle and Strike Eagle. London: Airlife Publishing, Ltd., 2002. ISBN 1-84037-377-6.
The F100-100 first flew in an F-15 Eagle in 1972 with a thrust of 23,930 lb<sub>f</sub>. Due to the advanced nature of engine and aircraft, numerous problems were encountered in its early days of service including high wear, stalling and "hard" afterburner... Read More